import { z } from "zod";
export declare const ExecutionPhaseSchema: z.ZodEnum<["policy-check", "worktree-create", "running", "verifying", "rollback", "completed", "failed", "reverted"]>;
export type ExecutionPhase = z.infer<typeof ExecutionPhaseSchema>;
export declare const CheckpointSchema: z.ZodObject<{
    actionId: z.ZodString;
    phase: z.ZodEnum<["policy-check", "worktree-create", "running", "verifying", "rollback", "completed", "failed", "reverted"]>;
    stepIndex: z.ZodNullable<z.ZodNumber>;
    pid: z.ZodNumber;
    hostname: z.ZodString;
    branch: z.ZodNullable<z.ZodString>;
    updatedAt: z.ZodString;
    recoveredFromPhase: z.ZodOptional<z.ZodNullable<z.ZodEnum<["policy-check", "worktree-create", "running", "verifying", "rollback", "completed", "failed", "reverted"]>>>;
    recoveredFromPid: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
    recoveredFromHostname: z.ZodOptional<z.ZodNullable<z.ZodString>>;
    recoveredAt: z.ZodOptional<z.ZodNullable<z.ZodString>>;
}, "strict", z.ZodTypeAny, {
    updatedAt: string;
    pid: number;
    hostname: string;
    actionId: string;
    phase: "running" | "verifying" | "completed" | "failed" | "reverted" | "rollback" | "policy-check" | "worktree-create";
    branch: string | null;
    stepIndex: number | null;
    recoveredFromPhase?: "running" | "verifying" | "completed" | "failed" | "reverted" | "rollback" | "policy-check" | "worktree-create" | null | undefined;
    recoveredFromPid?: number | null | undefined;
    recoveredFromHostname?: string | null | undefined;
    recoveredAt?: string | null | undefined;
}, {
    updatedAt: string;
    pid: number;
    hostname: string;
    actionId: string;
    phase: "running" | "verifying" | "completed" | "failed" | "reverted" | "rollback" | "policy-check" | "worktree-create";
    branch: string | null;
    stepIndex: number | null;
    recoveredFromPhase?: "running" | "verifying" | "completed" | "failed" | "reverted" | "rollback" | "policy-check" | "worktree-create" | null | undefined;
    recoveredFromPid?: number | null | undefined;
    recoveredFromHostname?: string | null | undefined;
    recoveredAt?: string | null | undefined;
}>;
export type Checkpoint = z.infer<typeof CheckpointSchema>;
export declare function isTerminalPhase(phase: ExecutionPhase): boolean;
export declare class CheckpointStore {
    private readonly store;
    constructor(workspaceRoot: string, actionId: string);
    write(value: Omit<Checkpoint, "updatedAt">): Promise<void>;
    read(): Promise<Checkpoint | null>;
    clear(): Promise<void>;
}
export interface RecoveryOutcome {
    readonly orphanedRuns: readonly {
        actionId: string;
        phase: ExecutionPhase;
    }[];
    readonly errors: readonly string[];
}
export declare function recoverInflightRuns(workspaceRoot: string): Promise<RecoveryOutcome>;
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